Finding the Third Proportional to 140,940 and 187,890

Step by Step Solution

1. Step 1: Write the proportion equation
   140,940 : 187,890 = 187,890 : x
2. Step 2: Convert to fraction form
   140,940/187,890 = 187,890/x
3. Step 3: Cross multiply
   140,940x = 187,890 × 187,890
4. Step 4: Simplify right side
   140,940x = 35,302,652,100
5. Step 5: Solve for x
   x = 35,302,652,100/140,940
6. Step 6: Final answer
   x = 250,480.01